Home / 4,925,445.40-7,388,168.10-4,145,998.60

Finding the Fourth Proportional to 4,925,445.40, 7,388,168.10 and 4,145,998.60

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Solution

The fourth proportional to 4,925,445.40, 7,388,168.10 and 4,145,998.60 is: 6,218,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925,445.40 : 7,388,168.10 = 4,145,998.60 : x
  2. Step 2: Convert to fraction form
    4,925,445.40/7,388,168.10 = 4,145,998.60/x
  3. Step 3: Cross multiply
    4,925,445.40x = 7,388,168.10 × 4,145,998.60
  4. Step 4: Simplify right side
    4,925,445.40x = 30,631,334,599,164.66
  5. Step 5: Solve for x
    x = 30,631,334,599,164.66/4,925,445.40
  6. Step 6: Final answer
    x = 6,218,997.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.